In this window you can edit the customer ID and name by clicking on their respective
buttons. Then an alphanumeric keyboard will appear where you have to enter the customer
ID/ name and then press the key.
9.4 Brightness Settings:
You can also change the brightness of the screen as per your requirement. There are
three settings available. You can change the brightness settings by pressing the icon
in the settings window. It is a very useful aid for battery saving.
ID
BACKSPACE
A
ENTER KEY
40